2017 BMW 3 Series 3.0 340i M Sport
Price: £18,949. Fair price: £497 (2%) under the AskCar estimate of £19,446, our expected asking price for this car from its model, age, mileage and specification, drawing on 6,886 priced BMW 3 Series adverts on AskCar as of 7 November 2026.
AskCar lists 7,202 used BMW 3 Series from 2,724 UK dealerships, as of 7 November 2026.
Overview
- Make: BMW
- Model: 3 Series
- Trim: M Sport
- Version: 3.0 340i M Sport Auto RWD Euro 6 (s/s) 5dr Touring (322 bhp)
- Year: 2017
- Mileage: 51,000 miles
- Fuel: Petrol
- Body: Estate, 5 doors, 5 seats
- Engine: 3.0 litres, 322 bhp
- Gearbox: Automatic
- Drive: Rear-wheel drive
- Colour: Blue
- CO2: 164 g/km
- Emissions standard: Euro 6, ULEZ compliant
About this car
This 2017 BMW 3 Series M Sport has covered 51,000 miles, around 27,000 fewer miles than is typical for its age. The dealer is asking £18,949, which is £497 below the AskCar estimate of £19,446. To work out the AskCar estimate, we analyse UK dealer adverts for 6,886 BMW 3 Series cars across different ages and specifications. The dealer may accept less: this car has been on sale for at least 122 days. You can find this car at Cars 4 U in Croydon. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 7 November 2026.
Price
Fair price: £497 (2%) under the AskCar estimate of £19,446.
The AskCar estimate is our expected asking price for this car. It uses UK dealer asking prices, accounting for make, model, trim, version, age, mileage, fuel, gearbox, body type, driven wheels, engine size and power. It is an advertised price, not a confirmed sale price.
It draws on 6,886 priced BMW 3 Series adverts across different ages and specifications, as of 7 November 2026.
A 2017 BMW 3 Series with the 3.0 petrol engine is typically advertised at £16,000: the median of the 120 for sale on AskCar, as of 7 November 2026.
Time on sale
The dealer may accept less. This 2017 BMW 3 Series has been on sale for at least 122 days. About 6 in 10 of 2017 BMW 3 Series cars are gone from sale within a month of being advertised: 346 of the 592 first advertised between 11 July 2026 and 4 October 2026.
Price history
AskCar first saw this advert on 8 July 2026 at £17,449. Its asking price is now £18,949, £1,500 more.
Price changes recorded:
- 8 July 2026: £17,449
- 3 October 2026: £18,949
Mileage and MOT
Advertised mileage is about 27,000 miles lower than the median mileage of a 2017 BMW 3 Series on AskCar.
Browse all BMW 3 Series cars for sale · 2017 BMW 3 Series price guide
More like this
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- Used BMW 3 Series for sale near Sutton
Photos
17 photos of this car are on its AskCar page.
As of 7 November 2026, AskCar lists 601,018 cars and vans from 12,892 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.